#include <stdio.h>

int main()
{
    float fahrenheit, celsius;
    int lower, upper, step;

    lower = 0;
    upper = 300;
    step = 20;

    celsius = lower;
    printf("celsius | fahrenheit\n");
    printf("--------------------\n");
    while (celsius <= upper)
    {
        fahrenheit = 9.0 * celsius / 5.0 + 32;
        printf("%3.0f     |  %6.1f\n", celsius, fahrenheit);
        celsius = celsius + step;
    }

    return 0;
}